Which type of resistor is used for high frequency applications?

This project is related to transient states. I want to study the behaviour of a circuit (like a current source) by suddenly increasing the resistance from one value (5 ohms) to another (10...

07 September 2020 6,665 28 View

How to find equivalent static loading of dynamic events in Abaqus?

To find equivalent static loading of dynamic events, displacement vector of the dynamic analysis could be used as attached picture. To use this method in Abaqus, how we could export the...

15 August 2020 8,287 5 View

How to reduce extruder vibration?

I'm trying to reduce a 3d printer extruder vibration. When the extruder starts to move, vibrates that decrease printing quality. How can I reduce the vibration? I need a procedure to solve the...

05 August 2020 4,296 2 View

Is my understaning of feature extraction process is right??

I'm working on an activity recognition project using smartphone sensors data and I want to implement feature extraction phase. Assume the frequency of data collection is 20Hz and the sliding...

01 June 2020 8,580 9 View

Is it possible to damage the solar panel by injecting Impulse voltage?

09 April 2020 4,525 2 View

How to use of deep network designer toolbox in matlab software for training a model ?

I have an input data set as a 5x100 matrix. 5 indicates the number of variables and 100 indicates the number of samples. I also have an target data set as a 1x100 matrix, which is continuous...

09 April 2020 7,103 4 View

Which environmental characteristics affect wind behavior? or Which environmental specifications can be used to estimate wind speed?

I think factors such as height above ground level, surface roughness, temperature, solar radiation, humidity, pressure, and the slope of the earth can be influential.Which factors have the most...

05 April 2020 9,159 6 View

Which software is best for estimating of pipeline corrosion rate?

I want to calculate Steel pipeline corrosion rate in different conditions, so Which software is best for estimating of pipeline corrosion rate?

03 March 2020 1,779 4 View

Can anyone help me with fe3o4 potential and partial charges?

i want to perform molecular dynamics (MD) simulations on fe3o4.i looked thorough literature but did not find something useful.can anyone help me with its potential and partial charges?

07 December 2019 6,583 2 View

What are the applications of MgV2O4 powders (spinel structure)?

What is the application of MgV2O4 synthesized powder in a combustion method? batteries ? Transparent materials ?

28 July 2019 7,511 2 View

Discrete Phase model (DPM) particle break-up has particle size limits during particle tracking?

Hello, I am currently working on simulating water droplet partciles in a closed room. When I use uniform particles, without "particle break-up", I can carry out the simulation without any problem....

02 March 2021 3,053 2 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

Zno nano particles colour changed from white to grey in process of calcination any suggestions?

In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...

26 February 2021 2,435 4 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

What condition required for coating of Fe3O4@SiO2 by using APTES?

I tried coating Fe3O4@ SiO2 by using APTES in 5% water-ethanol but it is not coated. Kindly suggest a solution for it. Thanks

24 February 2021 5,992 4 View

Questio regarding micro/nano particles fabrication ?

I will start to fabricate micro/nanoparticles for growth factor release and I check out a procedure quite nice, however, it is lacking some details and since I don't have much knowledge doing this...

20 February 2021 199 2 View

How can I measure the surface interaction or surface interfacial chemistry between polishing abrasives and upper surface of substrate ?

I am working on polishing abrasives. I need to do few characterizations ? which can provide the on time surface chemistry of substrate with polishing abrasive during optical polishing. I would...

18 February 2021 5,319 3 View

What is the best substrate for exfoliating few layers of hexagonal boron nitride (hBN) using traditional scotch tape method?

Unlike graphene, it is usually very difficult to exfoliate few layers (~10 nm thick) of hBN on SiO2 substrate due to lip-lip interaction at the edges. Au substrates have been proven very useful...

16 February 2021 2,635 2 View

Why is my pressure equal to kinetic energy in NVT MD simulation?

I don't know much about molecular dynamics, but I am suspicious of my pressure being equal to kinetic energy. I am using // sum the velocities squared: double v2sum = 0.0; for (int i = 0; i

15 February 2021 1,316 3 View